Table 5.
Outcomes.
| Culture-negative patients (n = 415) | Culture-positive patients (n = 586) | P value | |
|---|---|---|---|
| Hospital mortality | 149 (35.9) | 258 (44.0) | 0.01 |
| ICU mortality | 139 (33.5) | 232 (39.6) | 0.049 |
| Duration of mechanical ventilation, daysa | 3.0 (1.0-7.0) | 4.0 (1.0-8.0) | 0.35 |
| Duration of ICU stay, days | 4.0 (2.0-8.0) | 4.0 (2.0-9.0) | 0.46 |
| Duration of hospital stay, days | 12.0 (7.0-21.0) | 15.0 (7.0-27.0) | 0.02 |
aA total of 326 culture-negative patients and 448 culture-positive patients were mechanically ventilated during the ICU stay. ICU, intensive care unit.